# on macOS, use Preview to open a man page:
% preman() { mandoc -T pdf "$(/usr/bin/man -w $@)" | open -fa Preview; }
% preman <command>

# alternatively, with `ps2pdf`:
% preman() { man -t tr | ps2pdf - | open -fa Preview; }

# open man page in a separate Terminal window:
% xmanpage() { open x-man-page://"$1"; }
% xmanpage <command>

# search man page titles:
% man -k <name>

# search man page contents:
% man -f <term>

# search user curated examples:
% curl cheat.sh/<topic>